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Finding the Fourth Proportional to 562,526.37, 776,288.43 and 304,403.31

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Solution

The fourth proportional to 562,526.37, 776,288.43 and 304,403.31 is: 420,077.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,526.37 : 776,288.43 = 304,403.31 : x
  2. Step 2: Convert to fraction form
    562,526.37/776,288.43 = 304,403.31/x
  3. Step 3: Cross multiply
    562,526.37x = 776,288.43 × 304,403.31
  4. Step 4: Simplify right side
    562,526.37x = 236,304,767,606.70
  5. Step 5: Solve for x
    x = 236,304,767,606.70/562,526.37
  6. Step 6: Final answer
    x = 420,077.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.